fix secure boot widget did not function

fix secure boot widget did not function from installed system
because bootloader not get re-installed (bnc#882124)
Merge pull request #120 from WenhuaChang/bnc882124

fix secure boot widget did not function
Merge branch 'master' of github.com:yast/yast-bootloader into fix_grub1_sysconfig

Conflicts:
	package/yast2-bootloader.changes